Samsung is now rolling out Android 4.3 jelly bean operating system update for its 2012’s flagship phone, Galaxy S3. Samsung skipped Android 4.2 update for the phone, and the 4.3 update for long overdue. This update was first rolled out the S3 users in Vodafone users in Ireland. Since this is an OTA update, it will not delete any data on your phone. Changes include:
GALAXY GEAR Support
TRIM Support (Makes the device much faster)
ANT+ Support
Core UI elements updated to the ones on the Galaxy S4 (Galaxy S4′s theme all over)
New Samsung Keyboard
GPU drivers have been updated (Higher GPU benchmark scores)
New Lockscreen: Multiple Widgets, improved ripple effect than Android 4.1.2, ability to change clock size and set a personal message
New Screen modes (From S4): Adapt Display and Professional Photo
Daydream
Driving mode Actionable notifications
Move-to-SD-card feature
New Camera mode : Sound and Shot
New Additions in Notification Centre
Completely revamped Settings UI (Tabbed interface – Galaxy S4)
Implementation of Voice controls (Let’s you control various parts of the phone using voice commands – Galaxy S4 feature)
New Samsung Apps: Calculator, Clock, Contacts, Gallery, Music
Full screen Samsung apps
New S-Voice (from Galaxy S4).